Concept information
Preferred term
Radial velocity
Definition
- The component of a three-dimensional velocity vector of an object directed along the line of sight. It is measured by examining the Doppler shift of lines in the spectrum of astronomical objects. (en)
Broader concept
- Astrometry (en)
- Exoplanet detection methods (en)
Entry terms
- Astrometric radial velocity (en)
- Radial-velocity method (en)
- Radial velocity methods (en)
- Spectroscopic radial velocity (en)
Contributor
Editorial note
URI
http://astrothesaurus.org/uat/1332
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